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Angelina_Jolie [31]
3 years ago
10

The ratio of the length to the width of a picture is 5:2. The picture is enlarged so that its length is 15 inches now. What is t

he width of the enlarged picture?
Mathematics
1 answer:
Juliette [100K]3 years ago
8 0

Answer: The picture's dimensions will be 10"x15".

Step-by-step explanation:

Length:   4      2     10

Width:     6      3     15


You can tell because 15 isn't divisible by 6, but it is divisible by 3, which goes into 6.


Divide 6 by 2.

6/2=3

To keep the ratio, we must also divide 4 by 2.

4/2=2

Then, multiply 3 by 5 for the width.

3*5=15

You must also multiply 2 by 5 to get the length.

2*5=10

The picture's dimensions will be 10"x15".





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Can someone help me with this having trouble !
Usimov [2.4K]

Answer:

<em>Tick:</em>

<em>- the coefficient of the second term is -5</em>

<em>- the coefficient of the fourth term is -10</em>

Explanation:

The coefficient of an expression is simply the number placed before and multiplying the variable (e.g. 10x ; the coefficient is 10, the variable is x)

Hope this makes sense. Feel free to inquire further if need be!

- profparis

3 0
1 year ago
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Jennifer is taking a four question multiple choice test. each question has four possible answers. if she guesses on all of the q
xxTIMURxx [149]
Probability of getting the correct answer in the first question is 1/4
probability of getting the correct answer in the second question is 1/4
probability of getting the correct answer in the second question is 1/4                 the probability that he gets one question wrong is 3/4
which is 1/4*1/4*1/4*3/4=3/256
for the four questions because he may get the first answer correct and my be the second question wrong, or the the third wrong and the other correct or the first wrong and others correct we should take care of all this by
multiplying 3/256*4=12/256
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6 0
3 years ago
Why is the answer A? Plzzz explain.
Contact [7]

Answer:


Step-by-step explanation:

f(x) = x^2 + 4x + 4

f(x + a) = (x + a)^2 + 4(x + a) + 4

f(x + a) = x^2 + 2ax + a^2 + 4x + 4a + 4   Now combine like terms and use the distributive property.

f(x + a) = x^2 + (2a + 4)x + a^2 + 4a + 4

We are told that f(x + a) = x^2 - 6x + 9

So that means that

2a + 4 = - 6      Subtract 4 from both sides.

2a = - 6 - 4

2a = - 10          Divide by 2

a = - 10/2

a = - 5.            

But you are not finished. You have to check the last part.

a^2 + 4x + 4 = 9

(a + 2)^2 = 9

Take the square root of both sides

sqrt(a+ 2)^2 = +/- 3

a+2 = 3

a = 1.

Does this work or is it extraneous? It is extraneous because it will not work for  2(a) + 4 = - 6  

You get 6 = - 6 which is not correct. But you did give the second best answer.

a + 2 = - 3

a = - 3 - 2

a = - 5 which agrees with your previous answer.

===========

This is an extremely hard or tricky or sneaky problem. It takes a lot of conniving to get the right answer and 1 is not a left field answer. It just does not happen to be correct.

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3 years ago
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You got everything correct so far except for #4.

4. Yes, it is 1. But it would be in months.

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It gives you the equation to work with, you just have to plug in the values.

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100 is the initial population, so it stays on the outside.

x is the exponent

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